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2014/10/16 ¤W¤È 08:17:49
android Programming Glossary: leaveUnderstanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean is retained Will the fragment be destroyed when the user leaves the activity Why doesn't it work with fragments on the back.. be destroyed. Will the fragment be destroyed when the user leaves the activity Just like Activity s Fragment s may be destroyed.. or not the system will destroy the Fragment s once you leave the Activity . If you leave the Activity i.e. by pressing the..
Android ACTION_IMAGE_CAPTURE Intent http://stackoverflow.com/questions/1910608/android-action-image-capture-intent let the user take a new picture. It works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image...
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts the reporting of Native heap size is soft and b we want to leave some space in the Native heap for other applications. We are..
Android dex gives a BufferOverflowException when building http://stackoverflow.com/questions/19727915/android-dex-gives-a-bufferoverflowexception-when-building that you need to target at least 19 android 19 . Please leave a comment if this solution also works if your target is 19...
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon . In all of those users don't terminate anything they just leave. iPhone is a bit different in that it only presently allows..
http://stackoverflow.com/questions/2131948/force-screen-on you accidentally remain holding the wake lock and thus leave the screen on. It is far far better to use the window flag FLAG_KEEP_SCREEN_ON..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android may be the more accurate one... but really this just leave the point take any memory info you get with a grain of salt..
SharedPreferences.onSharedPreferenceChangeListener not being called consistently http://stackoverflow.com/questions/2542938/sharedpreferences-onsharedpreferencechangelistener-not-being-called-consistently become the target of garbage collection as soon as you leave the current scope. It will work at first but eventually will..
Set TextView text from html-formatted string resource in XML http://stackoverflow.com/questions/3235131/set-textview-text-from-html-formatted-string-resource-in-xml more or less static view in plain XML and I'd prefer to leave it that way to save me from the overhead of creating an Activity..
Android SQLite database: slow insertion http://stackoverflow.com/questions/3501516/android-sqlite-database-slow-insertion 200 rows . When I comment out all insert statements but leave in everything else such as creating ContentValues etc. the same..
How to hook into the Power button in Android? http://stackoverflow.com/questions/3703071/how-to-hook-into-the-power-button-in-android existing answers don't completely answer the question and leave out enough details that they won't work without more investigation...
Android - Camera preview is sideways http://stackoverflow.com/questions/3841122/android-camera-preview-is-sideways anyway to just change the orientation of the Preview And leave the rest of my Activity correctly displayed in Portrait mode..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file Ok a small overview without reference or eclipse around so leave some space for errors but it works like this open your project..
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class has been deprecated for quite some time now as it can leave dependent variables in inconsistent states in some circumstances...
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables viewpoint which I feel is a terrible basis for an API. I leave you with the following list of downsides to Singletons as stolen..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context is being destroyed each time the user tilts the phone or leave the app etc.. Which apparently the Garbage Collector GC doesn't..
ViewPager as a circular queue / wrapping http://stackoverflow.com/questions/7546224/viewpager-as-a-circular-queue-wrapping the count to a lower number once in a while but I will leave it how it is for now. The InfinitePagerAdapter wraps an existing..
Admob Error in Eclipse for android:configChanges http://stackoverflow.com/questions/7899767/admob-error-in-eclipse-for-androidconfigchanges screenLayout uiMode screenSize smallestScreenSize' . If I leave only keyboard keyboardHidden orientation there's no error but..
Android Content Provider database leak issue http://stackoverflow.com/questions/1379200/android-content-provider-database-leak-issue the SQLiteCursor does left me with several choices 1 Leave the SQLiteDatabase object open and place it into a collection.. and place it into a collection never to be used again. 2 Leave the SQLiteDatabase object open and develop a cache that would..
Auto Version numbering your Android App using Git and Eclipse http://stackoverflow.com/questions/14895123/auto-version-numbering-your-android-app-using-git-and-eclipse section use Browse Workspace to select the project. 5 . Leave the Refresh resources upon completion unchecked in the Refresh..
Effective Android Programming Techniques [closed] http://stackoverflow.com/questions/2961049/effective-android-programming-techniques IRC reader to irc.freenode.net's #android dev channel. Leave it up in the background. Only ask questions after you have spent..
AsyncTask threads never die (Android) http://stackoverflow.com/questions/3077461/asynctask-threads-never-die-android visible open source code and vary by Android release . Leave the AsyncTask threads alone please. share improve this answer..
http://stackoverflow.com/questions/3406534/password-hint-font-in-android dots will not appear but the passoword in clear text. 2 Leave android password true in your xml. In Java ALSO set the typeface..
http://stackoverflow.com/questions/4616176/android-orientation-change to your TabActivity 's entry in the manifest. Leave all the child activities alone. Don't even bother implementing..
Understanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean will this be recreated on configuration change what exactly is retained Will the fragment be destroyed when the user leaves the activity Why doesn't it work with fragments on the back stack Which are the use cases where it makes sense to use this.. the configuration change causes the underlying Activity to be destroyed. Will the fragment be destroyed when the user leaves the activity Just like Activity s Fragment s may be destroyed by the system when memory resources are low. Whether you.. across configuration changes will have no effect on whether or not the system will destroy the Fragment s once you leave the Activity . If you leave the Activity i.e. by pressing the home button the Fragment s may or may not be destroyed. If..
Android ACTION_IMAGE_CAPTURE Intent http://stackoverflow.com/questions/1910608/android-action-image-capture-intent Intent We are trying to use the native camera app to let the user take a new picture. It works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However if we putExtra EXTRA_OUTPUT ... on the intent before..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts the heapPad is a magic number to allow for the fact that a the reporting of Native heap size is soft and b we want to leave some space in the Native heap for other applications. We are running with a 3 1024 1024 ie 3Mbytes pad currently. share..
Android dex gives a BufferOverflowException when building http://stackoverflow.com/questions/19727915/android-dex-gives-a-bufferoverflowexception-when-building There is also some indication from comments on this post that you need to target at least 19 android 19 . Please leave a comment if this solution also works if your target is 19. This is how the fix looks for my project. The related AOSP issue..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon model correctly haven't had a chance to play with one yet . In all of those users don't terminate anything they just leave. iPhone is a bit different in that it only presently allows one thing to run at a time with a few exceptions and so the..
http://stackoverflow.com/questions/2131948/force-screen-on permission and it is very easy to introduce bugs where you accidentally remain holding the wake lock and thus leave the screen on. It is far far better to use the window flag FLAG_KEEP_SCREEN_ON which you can enable on your activity's window..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android Why is that Honestly I haven't a clue. I believe procrank may be the more accurate one... but really this just leave the point take any memory info you get with a grain of salt often a very large grain. Finally there is the command adb shell..
SharedPreferences.onSharedPreferenceChangeListener not being called consistently http://stackoverflow.com/questions/2542938/sharedpreferences-onsharedpreferencechangelistener-not-being-called-consistently cannot use an anonymous inner class as a listener as it will become the target of garbage collection as soon as you leave the current scope. It will work at first but eventually will get garbage collected removed from the WeakHashMap and stop..
Set TextView text from html-formatted string resource in XML http://stackoverflow.com/questions/3235131/set-textview-text-from-html-formatted-string-resource-in-xml need an Activity but at the moment my layout is just a simple more or less static view in plain XML and I'd prefer to leave it that way to save me from the overhead of creating an Activity just to set some text. Am I overlooking something obvious..
Android SQLite database: slow insertion http://stackoverflow.com/questions/3501516/android-sqlite-database-slow-insertion for the 152KB test file which comes down to inserting roughly 200 rows . When I comment out all insert statements but leave in everything else such as creating ContentValues etc. the same file takes only 23 seconds. Is it normal for the database..
How to hook into the Power button in Android? http://stackoverflow.com/questions/3703071/how-to-hook-into-the-power-button-in-android How is this done android share improve this question The existing answers don't completely answer the question and leave out enough details that they won't work without more investigation. I'll share what I've learned solving this. First you..
Android - Camera preview is sideways http://stackoverflow.com/questions/3841122/android-camera-preview-is-sideways mode. Its disabled by default So I was wondering is there anyway to just change the orientation of the Preview And leave the rest of my Activity correctly displayed in Portrait mode Or anyway to rotate the preview so that it is displayed correctly..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file developer.android.com guide publishing app signing.html Ok a small overview without reference or eclipse around so leave some space for errors but it works like this open your project in eclips press right mouse tools android tools export signed..
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class the code sample you posted I will address in order 1 Thread.stop has been deprecated for quite some time now as it can leave dependent variables in inconsistent states in some circumstances. See this Sun answer page for more details. A preferred..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables or a lazy programmer. I disagree quite strongly with Diane's viewpoint which I feel is a terrible basis for an API. I leave you with the following list of downsides to Singletons as stolen from the StackExchange link Inability to use abstract or..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context the Activity instance context points to an Activity that is being destroyed each time the user tilts the phone or leave the app etc.. Which apparently the Garbage Collector GC doesn't catch and therefor uses too much memory.. But can anyone..
ViewPager as a circular queue / wrapping http://stackoverflow.com/questions/7546224/viewpager-as-a-circular-queue-wrapping not a real world use case. I could fix this by resetting the count to a lower number once in a while but I will leave it how it is for now. The InfinitePagerAdapter wraps an existing ViewPager and so the usage is quite transparent. The InfiniteViewPager..
Admob Error in Eclipse for android:configChanges http://stackoverflow.com/questions/7899767/admob-error-in-eclipse-for-androidconfigchanges with value 'keyboard keyboardHidden orientation screenLayout uiMode screenSize smallestScreenSize' . If I leave only keyboard keyboardHidden orientation there's no error but compiler asks for the 4 remaining ones when I try and build...
Android Content Provider database leak issue http://stackoverflow.com/questions/1379200/android-content-provider-database-leak-issue provider that no longer had anything referencing it even though the SQLiteCursor does left me with several choices 1 Leave the SQLiteDatabase object open and place it into a collection never to be used again. 2 Leave the SQLiteDatabase object.. with several choices 1 Leave the SQLiteDatabase object open and place it into a collection never to be used again. 2 Leave the SQLiteDatabase object open and develop a cache that would allow me to reuse the database object when accessing the same..
Auto Version numbering your Android App using Git and Eclipse http://stackoverflow.com/questions/14895123/auto-version-numbering-your-android-app-using-git-and-eclipse and select the script file. 4b . In the Working directory section use Browse Workspace to select the project. 5 . Leave the Refresh resources upon completion unchecked in the Refresh tab. 6 . Don't set any variables up in the Environment tab...
Effective Android Programming Techniques [closed] http://stackoverflow.com/questions/2961049/effective-android-programming-techniques Then write some more code. Lurk on IRC Connect your favorite IRC reader to irc.freenode.net's #android dev channel. Leave it up in the background. Only ask questions after you have spent ten minutes trying to figure it out on your own. Use two..
AsyncTask threads never die (Android) http://stackoverflow.com/questions/3077461/asynctask-threads-never-die-android
http://stackoverflow.com/questions/3406534/password-hint-font-in-android into a password dot. Also when making input in fullscreen the dots will not appear but the passoword in clear text. 2 Leave android password true in your xml. In Java ALSO set the typeface and passwordMethod EditText password EditText findViewById..
http://stackoverflow.com/questions/4616176/android-orientation-change The trick is to add android configChanges orientation keyboardHidden to your TabActivity 's entry in the manifest. Leave all the child activities alone. Don't even bother implementing onConfigurationChanged not even in the TabActivity . I don't..
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